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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 4635545 | Apparatus for marking moving articles Apparatus for marking continuously moving objects, wherein the marking device is caused to move during the marking process. The marking device may comprise a die guided to enable its movement with the object to a determined displacement, or, alternatively... | 01/13/1987 |
| 4592668 | Method for stamping indicia on materials In a marking system for stamping materials such as aluminum strip, a pulse of determined energy is supplied to a solenoid, to impart a determined kinetic energy to a die. The die is guided to dissipate substantially all of this kinetic energy in the defor... | 06/03/1986 |
| 4572678 | Cage for ball bearing, in particular a plastic cage for a four-point contact bearing A cage for a ball bearing is formed by a series of side rings connected in a circular arrangement by crosspieces. The crosspieces have surfaces formed thereon for defining cage pockets in which balls are inserted and held. Each side ring is thin-walled, w... | 02/25/1986 |
| 4563099 | Rolling bearing unit A rolling bearing unit, in particular a play-adjustable bearing arrangement, comprising a bearing shaft, a housing having a bore, and angular contact ball bearings having outer rings arranged in the housing bore and inner rings arranged on the bearing sha... | 01/07/1986 |
| 4560051 | Hydraulically actuated clutch throw-out An hydraulically actuated clutch release, in particular for automobile clutches, comprising a housing having a cylindrical portion and a flange in which a port for the intake of a pressure medium is incorporated, a cylindrical sleeve, an annular piston ha... | 12/24/1985 |
| 4558962 | Snap ring A snap ring for axially holding an axially inserted machine element has a ring joint in the installed condition and is positioned with radial prestress in an annular groove formed in the bore of a ring, housing or the like. In order to ensure that the sna... | 12/17/1985 |
| 4557708 | Tension roller A tension roller for enabling adjustment of the tightness of a driving belt, comprising a solid support and a bearing press-fit thereon. The solid support has an axially extending mounting bore eccentrically arranged therein and a seating surface formed c... | 12/10/1985 |
| 4546948 | Easel A guide is affixed to the lower surface of a tablet. A rail is reciprocally movable in the guide in a plane parallel to the lower surface of the tablet. A strut is affixed to the rail and extends perpendicular to the plane of the lower surface of the tabl... | 10/15/1985 |
| 4537270 | Bearing arrangement for a driven wheel of a vehicle A bearing arrangement for a driven wheel of a vehicle, comprised of a rolling bearing whose outer ring is provided with a flange for affixing the assembly to a vehicle frame or the like. A wheel hub is provided with a flange for supporting a wheel. A driv... | 08/27/1985 |
| 4534749 | Pulley A roller casing for a pulley is comprised of coaxial ring halves mounted one over the other. The diameter of the running surface can be varied without varying the bearing size by employing corrugations in the circumferential direction, or by providing lat... | 08/13/1985 |
| 4534095 | Cage for rolling bearings In a cage for rolling bearings, the material of the webs is forced into the cage pockets on the outer surface of the cage, to hold the rolling bodies from falling out of the pockets radially outwardly of the cage. The material of the webs is also formed t... | 08/13/1985 |
| 4526485 | Sealed rolling element bearing A rolling element bearing has annular seals between the races for preventing entry of dirt into the lubricant space. The seals are held to one of the races, and have weakened portions on at least one location about their periphery to enable excess pressur... | 07/02/1985 |
| 4524855 | Hydraulic release arrangement, especially for vehicle clutches A hydraulic release arrangement, especially for vehicle clutches, consisting of a housing (1,2,3) with a pressure space (6) sealed by a rolling bellows (7), in which the release bearing (4) is arranged to be displaceable in the housing (1,2,3) in the axia... | 06/25/1985 |
| 4522514 | Thin-walled bearing bushing produced by deep drawing A thin-walled bearing bushing produced by deep drawing, in particular for the seating of pins in universal joints, including a cylindrical sleeve section with a bottom section closing the sleeve off on one end. One or more concentric depressions are axial... | 06/11/1985 |
| 4520882 | Drill head A drill head having isostatically bonded therein the shank portions of hard, wear-resistant cutting elements. The drill head can include cutting elements of various shapes and contours. The varied shaped cutting elements result in additional resistance to... | 06/04/1985 |
| 4514688 | Digital tablet system with calibration means An improved position determination device utilizes an energized movable pointer which is inductively coupled to a grid of spaced parallel electrical conductors for each coordinate direction. The termini of the spaced conductors of each grid are traversed ... | 04/30/1985 |
| 4514017 | Rolling bearing for lengthwise movement A rolling bearing for lengthwise movement has a support formed of sheet metal and having a cross-section that is corrugated in the circumferential direction, so that axially extending channels are provided for the rolling bodies. The cage is comprised of ... | 04/30/1985 |
| 4511192 | Support for a tension roller A support for a tension roller is comprised of two cup-shaped sleeves, oriented with their open ends in the same direction, and with an inner one of the cup-shaped sleeves extending into the other of the cup-shaped sleeves. The outer end of the inner cup-... | 04/16/1985 |
| 4511188 | Ball bearing for lengthwise and turning movement A ball bearing for lengthwise and rotational movement on a shaft has circumferentially distributed endless rows of balls. It consists of an outer sleeve with an axially extending cylindrical race in its bore for the loaded balls of each row and a sleeve-s... | 04/16/1985 |
| 4509764 | Sealing arrangement An hydraulically operated clutch release has an annular piston hydraulically moveable in an annular chamber. A felt ring is mounted on a shoulder of the piston away from the chamber, to engage the bore surface of the chamber, and a holding ring is snapped... | 04/09/1985 |
| 4509364 | Wear measuring arrangement for bearings In a wear measuring arrangement for bearings, a support sleeve is slidably mounted in one of the bearing rings, and supports an inductive sensor having a plunger type armature with a probe tip. The support sleeve is mounted to be held in a position with t... | 04/09/1985 |
| 4505629 | Book binding machine A book making machine comprising casing-in instrumentalities and, optionally, building-in instrumentalities arranged so that the operations required to wrap a book with a cover are effected rectilinearly in succession comprising a cover feeder for deliver... | 03/19/1985 |
| 4502246 | Device for catching a fully opened slide door For the purpose of holding a slide door of a vehicle at its fully opened position, a catch lever is provided on a bracket which is pivotally mounted on the slide door and a stopper means is additionally provided on the bracket to prevent the excessive piv... | 03/05/1985 |
| 4489992 | Self-aligning bearing A self aligning bearing structure, especially adapted for electric motors, has an outer ring with a plastic jacket thereon. A housing for supporting a bearing has a cylindrical seat for receiving the outer ring. The plastic jacket has one annular central ... | 12/25/1984 |
| 4482784 | Position determination device A position determining device has two perpendicular longitudinal magnetostrictive elements. A grid of a plurality of closed loop conductors has two parallel straight legs which form the grid. A flux producing element inductively coupled to at least one of... | 11/13/1984 |
| 4482040 | Hydraulic release arrangement for vehicle clutches The invention relates to an hydraulic release arrangement for vehicle clutches or the like and consisting of an annular cylinder axially expanding in the application of the clutch and a release bearing that is affixed to the annular cylinder without speci... | 11/13/1984 |
| 4481694 | Fleece layering apparatus Fleece layering apparatus for forming a fibrous fabric web consisting of several layers of fleece with delivery means layering the infed fleece in a zig-zag manner, with which the infed fleece is moved by air-permeable delivery means against the surface o... | 11/13/1984 |
| 4476913 | Arrangement for pressure welding of a rolling bearing cage Arrangement for the die casting of a roller bearing cage having pockets for the rolling bodies includes an outer housing covering the die casting mold and having guide openings opening at the central planes of the respective pockets and main and auxiliary... | 10/16/1984 |
| 4476781 | Apparatus for stamping indicia on materials In a marking system for stamping materials such as aluminum strip, a pulse of determined energy is supplied to a solenoid, to impart a determined kinetic energy to a die. The die is guided to dissipate substantially all of this kinetic energy in the defor... | 10/16/1984 |
| 4476614 | Method of adjusting a two row rolling bearing having adjustable prestress in the axial direction A rolling bearing arrangement has two axially spaced rolling bearings with their inner rings shrunk to a shaft and their outer rings interference fit in a housing. The outer ring of one bearing engages a radial abutment surface, and a spring extends betwe... | 10/16/1984 |
| 4471295 | Device for detecting the variation of a capacitive impedance having dielectric consisting of a lubricant The invention relates to a device for measuring the variation of a capacitive impedance, the dielectric of which consists of a lubricant, provided with an oscillator that supplies a signal having a predetermined frequency to the capacitive impedance by wa... | 09/11/1984 |
| 4464036 | Method and apparatus for controlling activity of developing solution against blackening by using a test piece A method and apparatus for controlling the activity of a developing solution against blackening by using a test piece for use in an automatic developer are disclosed. A difference between a standard density measured at the predetermined point of the first... | 08/07/1984 |
| 4457740 | Pin for tension rollers A tension roller pin including a hollow member, a rolling surface rotationally supported by a rolling bearing on said hollow member, an eccentrically displaced screw penetrating the pin for fastening the tension roller, a working surface for an adjusting ... | 07/03/1984 |
| 4457395 | Bearing arrangement for the driving wheel of a vehicle A bearing arrangement for a driving wheel of a vehicle consisting of a rolling bearing and a shaft coupling, wherein the bearing rings of the rolling bearing have a flange for fastening the bearing arrangement to the vehicle frame and a flange for holding... | 07/03/1984 |
| 4454537 | Method for reproducing a color picture for use in a picture reproducing machine A method for reproducing a color picture for use in a picture reproducing machine in which picture and recording cylinders are rotated at a certain rotation speed ratio, and pickup and exposure heads are moved in the direction of the cylinders' axis at a ... | 06/12/1984 |
| 4448294 | Clutch release bearing having vibration damping material A clutch has a bearing adapted to be axially movable by means of an actuating member, so that the bearing can move into and out of engagement with a clutch lever, such as a diaphragm spring or cup-spring. A ring of vibration damping material is mounted on... | 05/15/1984 |
| 4444506 | Method and apparatus for correcting the reciprocity law failure of a photosensitive material A method and apparatus for correcting the reciprocity law failure of a photosensitive material to be exposed, for use in a picture reproducing machine such as a process camera are disclosed. Luminous energies of an original picture and a standard picture ... | 04/24/1984 |
| 4443210 | Tension roller for belt drives A tension roller for belt drives comprises a pin designed as a hollow member and a roller member supported on the pin by way of a rolling bearing, with an inner ring, rolling means and an outer ring supporting the roller member. The pin is formed by two t... | 04/17/1984 |
| 4443042 | Rolling bearing for lengthwise movement A rolling bearing for lengthwise movement on a shaft (6) has a cage assembled in the bore of a housing surrounding the shaft. The cage has at least one longitudinally extending guide slot extending radially therethrough and a rail supported in the bore of... | 04/17/1984 |
| 4441020 | Method for tracing an object A method for tracing an object such as an outline of a picture or a line image, wherein the object is sensed by a set of sensing elements arranged in an optical head moving along the object, to detect a position and a direction of the object, wherein the ... | 04/03/1984 |
